Topeak\'s DeFender M1/M2 Set gives you a pair of versatile front and rear mudguards, made from two-tone injected high impact resisant plastic with quick release points for easy fitting. You\'ll find that the underside of each guard is highly polished which makes them easy to clean and prevents dirt build up, while the two-pivot arm on the rear articulates for improved tyre coverage and a perfect fit. The stiff engineering grade plastic support frame is co-molded to a softer, more flexible material at the trailing edge for greater durability. Fits MTB 26\" tyresUnique quick release attachment system integrates the DeFender M1 seamlessly with the front of your bikeDeFender M2 has an ultra-secure quick release mounting system that easily adjusts from 25.4 to 34.9 mm, easily fitting standard and oversized seat posts